CVE-2020-26521: Fedoraproject Fedora

High severity, CVSS 7.5. EPSS: 2.2% chance of exploitation in the next 30 days.

The JWT library in NATS nats-server before 2.1.9 allows a denial of service (a nil dereference in Go code).

Affected products

• Fedoraproject Fedora: version 33 only
• Linuxfoundation Nats-Server: before 2.1.9 (fixed in 2.1.9)

Published 2020-11-06. Last modified 2026-06-17.